Ralph is looking at a blood vessel under a microscope as part of his study about the cardiovascular system. He notices that the vessel contains blood and has valves. What is the blood vessel that he is

asked Sep 1, 2021 202k views

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4 votes

Answer:

the person is correct its VEINS

Step-by-step explanation:

Robert Muir answered Sep 1, 2021

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4 votes

Answer:

Veins

Step-by-step explanation:

Andrii Polunin answered Sep 7, 2021

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